pin versions since arm 64 dependency was not available

Gemfile

@@ -1,21 +1,10 @@
 source "https://rubygems.org"
-# Hello! This is where you manage which Jekyll version is used to run.
-# When you want to use a different version, change it below, save the
-# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
-#
-#     bundle exec jekyll serve
-#
-# This will help ensure the proper Jekyll version is running.
-# Happy Jekylling!
-gem "jekyll", "~> 4.3.2"
-# This is the default theme for new Jekyll sites. You may change this to anything you like.
-#gem "minima", "~> 2.5"
-# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
-# uncomment the line below. To upgrade, run `bundle update github-pages`.
-# gem "github-pages", group: :jekyll_plugins
-# If you have any plugins, put them here!
+
+gem "jekyll", "4.3.2"
+
 group :jekyll_plugins do
-  gem "jekyll-feed", "~> 0.17"
+  # It seems sass-embedded wasn't built with aarch64-linux packages after some point.  This is a known good version.
+  gem 'sass-embedded', "1.54.0"
   gem 'jekyll-multiple-languages-plugin'
 end